MCQOPTIONS
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| 1. |
If 20 lit/sec/person of air is extracted from the office, the ventilation rate in terms of air changes/ hour is_____ |
| A. | 2.0 |
| B. | 3.0 |
| C. | 2.5 |
| D. | 4.0 |
| Answer» B. 3.0 | |